Finding the Fourth Proportional to 2,276,058.18, 3,140,923.63 and 1,243,543.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276,058.18 : 3,140,923.63 = 1,243,543.78 : x
2. Step 2: Convert to fraction form
   2,276,058.18/3,140,923.63 = 1,243,543.78/x
3. Step 3: Cross multiply
   2,276,058.18x = 3,140,923.63 × 1,243,543.78
4. Step 4: Simplify right side
   2,276,058.18x = 3,905,876,043,541.52
5. Step 5: Solve for x
   x = 3,905,876,043,541.52/2,276,058.18
6. Step 6: Final answer
   x = 1,716,070.39